# [texhax] Transparency or reduced saturation using Graphicx ?

Ivan Ramos Pagnossin ivan.pagnossin at gmail.com
Fri Mar 6 01:49:58 CET 2009

If I understood what you need, than the following code may help you (you
need the package tikz):

\begin{figure}
\begin{*tikzpicture*}
\node [opacity=0.15] {\includegraphics[...]{...}};
\end{*tikzpicture*}
\end{figure}

[]s
Ivan

On Thu, Mar 5, 2009 at 18:45, Philip TAYLOR <P.Taylor at rhul.ac.uk> wrote:

> Dear Colleagues -- I am including a large number (> 4000)
> of graphic images in PDF format in a LaTeX document through
> the medium of the Graphicx interface.   To achieve a nice
> visual balance between the images (which were scanned at
> different times, and processed using different technologies),
> I can adjust the relative size of each.  But for some extremely
> heavy images (see attached, which are the same abbreviation
> in two very different scribal hands, and processed using
> very different technologies), reducing the size is  insufficient :
> what I really need is to be able to make the heavier graphic less
> intrusive, either by rendering it partially transparent or
> by mapping the fully saturated black to a less saturated grey.
>
> I can find nothing in the Graphicx  documentation that suggests
> that either of these is possible, but in the faint hope that
> I have overlooked something, I am asking here.
>
> Philip TAYLOR
>
> _______________________________________________
> TeX FAQ: http://www.tex.ac.uk/faq
> Mailing list archives: http://tug.org/pipermail/texhax/